Home / 50,503.28-69,693.18-28,992.40

Finding the Fourth Proportional to 50,503.28, 69,693.18 and 28,992.40

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Solution

The fourth proportional to 50,503.28, 69,693.18 and 28,992.40 is: 40,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,503.28 : 69,693.18 = 28,992.40 : x
  2. Step 2: Convert to fraction form
    50,503.28/69,693.18 = 28,992.40/x
  3. Step 3: Cross multiply
    50,503.28x = 69,693.18 × 28,992.40
  4. Step 4: Simplify right side
    50,503.28x = 2,020,572,551.83
  5. Step 5: Solve for x
    x = 2,020,572,551.83/50,503.28
  6. Step 6: Final answer
    x = 40,008.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.